My vote goes out to

The One-ders - "That Thing You Do"

in the Tom Hanks movie (same name as song). I thought the film nailed the 'one-hit wonder' theme quite well.

http://movie-reviews.colossus.net/movies/t/that_thing.html

How about a second thread on 'one-hit folk wonders'. I'd start with Barry McGuire - Eve of Destruction.

voyager FSGW Ghetto